Customer Service
We’re here to help!
At Mt. Diablo Resource Recovery, we are your essential environmental partner. We are committed to providing exceptional customer support and quality service. So, if you have questions about your service or other waste-related questions, ask.
Text Messaging is Now Available at 925-690-5487!
By texting Mt. Diablo Resource Recovery (MDRR), you agree to receive updates and notifications via text messages. Please note that standard messaging and data rates may apply. You may opt out of receiving text messages at any time by unsubscribing via text message. MDRR may record your text message interactions for internal training purposes.
Frequently Asked Questions
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Billing & Payment Options
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Visit your local Mt. Diablo Resource Recovery Office
Office business hours are Monday through Friday from 8 AM to 5 PM. Please note that our offices are closed for lunch.
We accept walk-in payments during regular business hours, and you can make drop-off payments at any time using the secure payment lockbox located at each office.
- Concord – 4080 Mallard Dr, Concord, CA 94520
- Pittsburg – 555 California Ave, Pittsburg, CA 94565
- Oakley – 85 Carol Ln, Oakley, CA 94561
- Rio Vista – 100 Main St, Rio Vista, CA 94517